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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Displaying 81 to 100 (of 347 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 Milwaukee ORP Controller MC510   Milwaukee Instruments   Milwaukee ORP Controller MC510 
Milwaukee Instruments ORP Controller - MC510 Smart Professional ORP controller. User selectable Hi/Low Set Point Visual LED alarm Supplied with 12 VDC adapter 1 power plug for O3 dosing Platinum ORP electrode (BNC connector) ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716694   $162.93 
 RAPITEST SOIL pH METER   Luster Leaf Products, Inc.   RAPITEST SOIL pH METER 
Rapitest Soil pH Meter [model 1840] SOIL PH METER Model 1840 Instantly tells you how acid or alkaline your soil isCheck which plants suit your gardenEnables you to alter soil conditionIncludes pH preferences for over 400 plants. Manufacturer's Product Information 2007 MSRP Each $19.95 Case Weight2.18 ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716750   $15.69 
 RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880   Luster Leaf Products, Inc.   RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880 
Rapitest 4 -Way Analyzer [model 1880] FOUR WAY ANALYZER Instantly tells you the fertility of your soilMeasures the light intensity in footcandlesInstantly tells you when to water your plants by measuring the moisture levelInstantly tells you how acid or alkaline your soil is by measuring the pH levelMeasures four different levels for fertilizer, light, moisture and pH. Includ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716752   $27.45 
 RAPITEST MINI PH TESTER (12/CASE)   Luster Leaf Products, Inc.   RAPITEST MINI PH TESTER (12/CASE) 
Rapitest Mini pH Tester [model 1815] RAPITEST MINI PH TESTER (12/CA Tests the acidity of soilCheck which plants suit your soilEnables you to alter soil conditionsUse for fruits, flowers, shrubs and vegetablesNo batteries required Manufacturer's Product Information 2007 MSRP Each $8.95 Case Weight2.31 L... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716753   $6.28 
 RAPITEST pH SOIL TESTER (12/CASE)   Luster Leaf Products, Inc.   RAPITEST pH SOIL TESTER (12/CASE) 
Rapitest pH Soil Tester [model 1612] PH SOIL TESTER (12/CASE) Kit includes: color comparator, 10 pH test capsules, complete instructions for adjusting soil pH and pH preferences list for over 450 plants for the home, yard and garden. All you do is put a sample of soil into the comparator, add powder capsule, add water, shake and watch the color develop. Then, note your result... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716755   $4.33 
 RAPITEST SOIL TEST pH NPK   Luster Leaf Products, Inc.   RAPITEST SOIL TEST pH NPK 
Rapitest Soil Test Kit [model 1601] SOIL TEST PH,N,P,K Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden. Plants need food (nutrients)for healthy growth. Nitrogen, Phosphorus and Potash (N, P and K for s... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716756   $13.36 
 MILWAUKEE MARTINI PH55 PH/TEMP TESTER   Milwaukee Instruments   MILWAUKEE MARTINI PH55 PH/TEMP TESTER 
Martini pH55/Temp Tester and Probe IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0°C or 23.0 to 221.0°F. This tester has a stability indicator and hold function that freezes the display for easy and accu... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716798   $59.29 
 MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY   Milwaukee Instruments   MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY 
Probe Only FOR Martini pH55/Temp Tester IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0°C or 23.0 to 221.0°F. This tester has a stability indicator and hold function that freezes the display for easy and... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716799   $37.88 
 HANNA PH/EC/TDS TEMP CONTINUES COMBO METER (HI991404)   Hanna Instruments   HANNA PH/EC/TDS TEMP CONTINUES COMBO METER (HI991404) 
Hanna Grochek® Combo pH/EC/TDS/Temperature Monitor (Model HI 991404) The Combo HI 991404 meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. These microprocessor indicators continuously monitor the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. These indicators fea... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716800   $182.94 
 HANNA REPLACEMENT PH PROBE (HI1293) Special Order   Hanna Instruments   HANNA REPLACEMENT PH PROBE (HI1293) Special Order 
FOR Hanna Grochek® Combo pH/EC/TDS/Temperature Monitor (Model HI 991404) The Combo HI 991404 meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. These microprocessor indicators continuously monitor the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. These indicators... Note: Calibration Buffer Solutions are available separately. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716801   $89.00 
 HANNA PH INDICATOR W/ ELECTRODE (HI981401N)   Hanna Instruments   HANNA PH INDICATOR W/ ELECTRODE (HI981401N) 
Hanna Grochek® Water Resistant pH Indicator HI 981401N has been designed to meet the Grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored. Measurements are highly accurate and can be verified... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716805   $95.83 
 HANNA PH REPLACEMENT PROBE 6.6' (HI1286) Special Order   Hanna Instruments   HANNA PH REPLACEMENT PROBE 6.6' (HI1286) Special Order 
FOR Hanna pH-TDS_TEMP Monitor Model Hi 981504-7 Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. This means no more switching between... Note: Calibration Buffer Solutions are available separately. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716806   $46.97 
 Hanna Hydroponics pH Tester (HI99104)   Hanna Instruments   Hanna Hydroponics pH Tester (HI99104) 
HI 99104 is an ideal pocket tester designed with a 0.01 pH resolution and two point manual calibration through easy to reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. Unlike conventional testers, HI 99104 has a long and slim stem, ideal for measurements in small samples or test tubes. HI 99104 is supplied with a rugged, plastic... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716809   $32.64 
 HANNA PH/TDS/TEMP MONITOR (HI981504/7)   Hanna Instruments   HANNA PH/TDS/TEMP MONITOR (HI981504/7) 
Hanna pH-TDS_TEMP Monitor Model Hi 981504-7 Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. This means no more switching between par... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716810   $201.30 
 Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N)   Hanna Instruments   Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N) 
Hanna Waterproof pH/EC/TDS MeterHanna Waterproof pH/EC/TDS Meter (HI 9813-6N) (716814)  HI 9813-6N is a versatile, water resistant multiparameter portable meter specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features an extra large LCD that clearly displays the parameter being measured as well as calibration ins... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716814   $196.42 
 HANNA GROCHEK®  REPLACEMENT pH PROBE - HI1285-6 (SPECIAL ORDER ONLY)   Hanna Instruments   HANNA GROCHEK® REPLACEMENT pH PROBE - HI1285-6 (SPECIAL ORDER ONLY) 
HANNA GROCHEK® REPLACEMENT pH PROBE - HI1285-6 (SPECIAL ORDER ONLY) (716816) FOR Hanna Waterproof pH/EC/TDS Temp Meter W/pH Electrode Diagnostic HI 9813-6 pH electrodes are commonly designed to produce and output signal equal to 0 mV when immersed in a solution with pH 7. But a constant output value at pH 7 occurs as a result of certain adverse events, such as: A broken bulb i... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716816   $100.65 
 HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)   Hanna Instruments   HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129) 
Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129) The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS reading... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716820   $146.40 
 HANNA DIST 5 EC/TDS WATERPROOF METER (HI98311)   Hanna Instruments   HANNA DIST 5 EC/TDS WATERPROOF METER (HI98311) 
Hanna DiST 5 Waterproof(Low Range) EC/TDS/Temperature Tester (Model HI 98311) The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA® continues th... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716825   $93.94 
 HANNA REPLACEMENT PROBE (HI73311) Special Order   Hanna Instruments   HANNA REPLACEMENT PROBE (HI73311) Special Order 
FOR Hanna DiST 5 Waterproof(Low Range) EC/TDS/Temperature Tester (Model HI 98311) The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA® continue... — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716826   $50.81 
 HANNA PHEP 4 WATERPROOF METER (HI98127)   Hanna Instruments   HANNA PHEP 4 WATERPROOF METER (HI98127) 
Hanna Waterproof PHEP 4 Tester With Replaceable Electrode (Model HI 98127) When HANNA® introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot, accurately ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716830   $81.37 
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BOTANICARE® MICROGARDEN™ COMPLETE AEROPONICS HYDROGARDENING GROWING SYSTEM - 31" X 13.75" X 17"
Love this system this works great i still use it in my 9 sq ..
5 of 5 Stars!
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GHBB® AERO FLO2® (AEROFLO) - 30 SITE - OUTSIDE DIMENSIONS = 85" X 25.5" X 22"
GHBB® AERO FLO2® (AEROFLO) - 30 SITE - OUTSIDE DIMENSIONS = 85" X 25.5" X 22"
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